Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereof with graphical user interface showing our new design in which the portions having low brightness are illustrated in grey.

The outermost broken line showing of a display screen or portion thereof and the other broken lines showing elements of the graphical user interface illustrate portions of the article and do not form part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 